Hi Christope,
what do you mean exactly with the whole system crashed? (logs please)

Could you send us the output of the mount command in the frontend and the
nodes, and the /etc/exports of the nfs server

cheers,
Jaime



On Fri, May 2, 2014 at 4:22 PM, Christophe Duez <
[email protected]> wrote:

> I tried this to move the whole /var/lib/one/ directory to my data store.
> however after doing this and mounting it back to the opennebula server and
> nodes the whole system crashed :/
> nothing worked anymore...
> What I did was with the command rsync -aHvz /var/lib/one/ root@datastore
> :/var/lib/one
> then deleted the /var/lib/one directory on the frontend and mounted it back
> so what did I do wrong?
>
>
> On Fri, May 2, 2014 at 2:41 PM, Campbell, Bill <
> [email protected]> wrote:
>
>>  That sounds correct.  If you share the /var/lib/one directory among
>> nodes, then the datastores that you create will be shared as well.
>>
>>  You can have individual datastores mounted, (for example, system
>> datastore 0, datastore 100, etc.) and if using the 'shared' transfer
>> manager driver you will need to have them mounted on opennebula node and
>> hypervisor nodes.
>>
>>   ------------------------------
>>
>>
>> *Bill Campbell *Infrastructure Architect
>>
>>  Axcess Financial Services, Inc.
>> 7755 Montgomery Rd., Suite 400
>> Cincinnati, OH  45236
>>
>>  ------------------------------
>>  *From: *"Christophe Duez" <[email protected]>
>> *To: *"Bill Campbell" <[email protected]>
>> *Cc: *"opennebula" <[email protected]>
>> *Sent: *Friday, May 2, 2014 2:49:42 AM
>>
>> *Subject: *Re: [one-users] NFS VM deployment keep getting same error
>> over and over
>>
>>  Hello,
>> What I think I should do and did is moving the entire /var/lib/one
>> directory to my data store.
>> then I removed the /var/lib/one directory on my frontend and mounted the
>> /var/lib/one directory on my data store.
>> after that i changed the mounting pad for my nodes to that from the data
>> store instead of that one from the frontend.
>> is this correct?
>>
>>
>>  On Thu, May 1, 2014 at 11:37 PM, Christophe Duez <
>> [email protected]> wrote:
>>
>>> Hello,
>>> Sorry but I don't really understand you.
>>> I need to directly connect the hypervisors (my kvm nodes) to the nfs
>>> data storage?
>>>  OR
>>> I have to move my entire /var/lib/one directory to my data storage and
>>> connect my frontend and backends to it?
>>> sorry
>>> kind regards
>>>
>>>
>>>
>>>  On Thu, May 1, 2014 at 11:16 PM, Campbell, Bill <
>>> [email protected]> wrote:
>>>
>>>>  The system datastore will also need to be shared.  Images will be
>>>> copied (or linked if using persistent images) to the system datastore when
>>>> you deploy.
>>>>
>>>>  Typically in a shared/NFS environment, we see the /var/lib/one
>>>> directory shared among the host and the hypervisors, then any additional
>>>> nfs mounts you may have shared at the respective directories (like you have
>>>> currently).
>>>>
>>>>  So what I would recommend is either creating a NFS export for your
>>>> system datastore and connecting the hypervisors to it, or creating a NFS
>>>> export for the entirety of the /var/lib/one directory.
>>>>
>>>>
>>>> http://docs.opennebula.org/4.6/administration/storage/system_ds.html#system-ds
>>>>
>>>>
>>>>   ------------------------------
>>>>
>>>>
>>>> *Bill Campbell *Infrastructure Architect
>>>>
>>>>  Axcess Financial Services, Inc.
>>>> 7755 Montgomery Rd., Suite 400
>>>> Cincinnati, OH  45236
>>>>
>>>>  ------------------------------
>>>>  *From: *"Christophe Duez" <[email protected]>
>>>> *To: *"Bill Campbell" <[email protected]>
>>>> *Cc: *"opennebula" <[email protected]>
>>>> *Sent: *Thursday, May 1, 2014 5:08:39 PM
>>>> *Subject: *Re: [one-users] NFS VM deployment keep getting same error
>>>> over and over
>>>>
>>>>
>>>>  Hello,
>>>> I have a CentOS server that runs NFS
>>>> I added a data storage with following template:
>>>> NAME = nfs_images
>>>> DS_MAD = fs
>>>> TM_MAD = shared
>>>>
>>>>  it is linked via
>>>> datastore:/var/nfs /var/lib/one/datastores/100 nfs rw,sync,hard,intr 0 0
>>>>  where datastore is my CentOS datastore server
>>>>
>>>>  Is that the information you searched?
>>>> All my progress is logged in 
>>>> my_commands.pdf<https://dl.dropboxusercontent.com/u/1178273/All%20commands.pdf>
>>>> So I have a tutorial at final
>>>>
>>>>  Kind regards
>>>>
>>>>
>>>>  On Thu, May 1, 2014 at 10:38 PM, Campbell, Bill <
>>>> [email protected]> wrote:
>>>>
>>>>>  Sure, I can try to help.
>>>>>
>>>>>  How are your datastores configured?  What transfer manager are you
>>>>> using, shared or ssh?
>>>>>
>>>>>   ------------------------------
>>>>>
>>>>>
>>>>> *Bill Campbell *Infrastructure Architect
>>>>>
>>>>>  Axcess Financial Services, Inc.
>>>>> 7755 Montgomery Rd., Suite 400
>>>>> Cincinnati, OH  45236
>>>>>
>>>>>  ------------------------------
>>>>>  *From: *"Christophe Duez" <[email protected]>
>>>>> *To: *"opennebula" <[email protected]>
>>>>> *Sent: *Thursday, May 1, 2014 4:20:23 PM
>>>>> *Subject: *[one-users] NFS VM deployment keep getting same error over
>>>>> and over
>>>>>
>>>>>
>>>>>  Hello, I'm keep getting the same error.
>>>>> can anyone please help me!
>>>>> I really really need help....
>>>>> http://pastebin.com/nF5JaWuZ
>>>>>
>>>>>  Thank you in advance
>>>>>
>>>>>
>>>>>  _______________________________________________
>>>>> Users mailing list
>>>>> [email protected]
>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>
>>>>>
>>>>> *NOTICE: Protect the information in this message in accordance with
>>>>> the company's security policies. If you received this message in error,
>>>>> immediately notify the sender and destroy all copies.*
>>>>>
>>>>
>>>>
>>>>
>>>>  --
>>>> Kind regards,
>>>> Duez Christophe
>>>> Student at University of Antwerp :
>>>> Master of Industrial Sciences: Electronics-ICT
>>>>
>>>> E [email protected]
>>>> L linkedin 
>>>> duez-christophe<http://www.linkedin.com/pub/duez-christophe/74/7/39>
>>>>
>>>>
>>>> *NOTICE: Protect the information in this message in accordance with the
>>>> company's security policies. If you received this message in error,
>>>> immediately notify the sender and destroy all copies.*
>>>>
>>>
>>>
>>>
>>>  --
>>> Kind regards,
>>> Duez Christophe
>>> Student at University of Antwerp :
>>> Master of Industrial Sciences: Electronics-ICT
>>>
>>> E [email protected]
>>> L linkedin 
>>> duez-christophe<http://www.linkedin.com/pub/duez-christophe/74/7/39>
>>>
>>
>>
>>
>>  --
>> Kind regards,
>> Duez Christophe
>> Student at University of Antwerp :
>> Master of Industrial Sciences: Electronics-ICT
>>
>> E [email protected]
>> L linkedin 
>> duez-christophe<http://www.linkedin.com/pub/duez-christophe/74/7/39>
>>
>>
>> *NOTICE: Protect the information in this message in accordance with the
>> company's security policies. If you received this message in error,
>> immediately notify the sender and destroy all copies.*
>>
>
>
>
> --
> Kind regards,
> Duez Christophe
> Student at University of Antwerp :
> Master of Industrial Sciences: Electronics-ICT
>
> E [email protected]
> L linkedin 
> duez-christophe<http://www.linkedin.com/pub/duez-christophe/74/7/39>
>
> _______________________________________________
> Users mailing list
> [email protected]
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>


-- 
Jaime Melis
Project Engineer
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org | [email protected]
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